There are 29 4-letter words that end with 'ff'.
| baff | biff | boff | buff | caff |
| coff | cuff | daff | diff | doff |
| duff | guff | huff | miff | luff |
| muff | naff | gaff | jiff | ruff |
| raff | puff | riff | teff | tiff |
| toff | tuff | waff | yaff | |
Note: These 29 4-letter words that end with 'ff' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with off, uff, iff, aff, eff, wff.
3-letter words end with 'ff' (4)